Beznik
A variable in word form. This can be substituted for any word, in any language, at any time, ever. This may also be used as an adjective or verb, if no other word would fit the situation.
Wow Sara, you dropped your beznik. It's getting all over the place. Your beznik is getting on my shoe.
Also
Wow Brian, I see you haven't shaved your beznik in a while...
Also
Wow Brian, I see you haven't shaved your beznik in a while...